Home / 5,450.16-8,176.32-2,164.80

Finding the Fourth Proportional to 5,450.16, 8,176.32 and 2,164.80

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Solution

The fourth proportional to 5,450.16, 8,176.32 and 2,164.80 is: 3,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.16 : 8,176.32 = 2,164.80 : x
  2. Step 2: Convert to fraction form
    5,450.16/8,176.32 = 2,164.80/x
  3. Step 3: Cross multiply
    5,450.16x = 8,176.32 × 2,164.80
  4. Step 4: Simplify right side
    5,450.16x = 17,700,097.54
  5. Step 5: Solve for x
    x = 17,700,097.54/5,450.16
  6. Step 6: Final answer
    x = 3,247.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.